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sndio
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fix clock ticks arithmetics

This commit is contained in:
Alexandre Ratchov 2012-10-30 08:19:25 +01:00
parent 26bf90b89d
commit 718a891d31
1 changed files with 7 additions and 5 deletions
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12
libsndio/sio_alsa.c
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@ -369,7 +369,7 @@ sio_alsa_start(struct sio_hdl *sh)
hdl->iused = 0;
hdl->oused = 0;
hdl->idelta = 0;
hdl->odelta = -hdl->par.bufsz;
hdl->odelta = 0;
hdl->infds = 0;
hdl->onfds = 0;
hdl->osil = 0;
@ -1222,7 +1222,7 @@ sio_alsa_revents(struct sio_hdl *sh, struct pollfd *pfd)
return POLLHUP;
}
oused = hdl->par.bufsz - oavail;
hdl->odelta += oused - hdl->oused;
hdl->odelta -= oused - hdl->oused;
hdl->oused = oused;
}
if ((hdl->sio.mode & SIO_REC) &&
@ -1243,10 +1243,12 @@ sio_alsa_revents(struct sio_hdl *sh, struct pollfd *pfd)
hdl->iused = iused;
}
delta = hdl->odelta > hdl->idelta ? hdl->odelta : hdl->idelta;
if (delta > 0) {
if (delta > 0 && hdl->running) {
sio_onmove_cb(&hdl->sio, delta);
hdl->odelta -= delta;
hdl->idelta -= delta;
if (hdl->sio.mode & SIO_PLAY)
hdl->odelta -= delta;
if (hdl->sio.mode & SIO_REC)
hdl->idelta -= delta;
#ifdef DEBUG
hdl->cpos += delta;
if (sndio_debug >= 2)